The Pulley,groove, cataloged under National Stock Number 3020-00-528-0498, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Triumph Gear Systems Inc Dba Triumph Gear Systems Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-0498 |
| Primary Part Number | BB120 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Triumph Gear Systems Inc Dba Triumph Gear Systems Inc |
| Status | CANCELLED |
| Bore Length | 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN |
| Groove Width | 0.218 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Groove Depth | 0.3125 INCHES NOMINAL IN |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Distance From Outside Flange/rim to Hub End and Location | 0.021 INCHES MINIMUM BOTH ENDS AND 0.023 INCHES MAXIMUM BOTH ENDS IN |
| Material | PLASTIC POLYESTER OVERALL |
| Bearing Quantity | 1 |
| Bore Feature | INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Bearing Type | BALL |
| Hub Outside Diameter | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Lightening Hole | NOT INCLUDED |
| Face Width | 0.433 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Counterbore Feature | NOT INCLUDED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Quantity | 1 |
| Design Form | PLAIN |
| Bearings | INCLUDED |
| Groove Shape | U |
| Split Hub Feature | NOT INCLUDED |
| Bore Type | STRAIGHT |
| Unable to Decode | UNABLE TO DECODE |
| Integral Cooling Vane | NOT INCLUDED |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Groove Radius | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-528-0498 is a Pulley,groove, manufactured by Triumph Gear Systems Inc Dba Triumph Gear Systems Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-528-0498 has 3 cross-referenced part numbers: BB120 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), BB120 (Formica Corporation), SP40 (Atco Pulley Corp).
There are 5 known substitutes for 3020-00-528-0498: 5340-00-602-6976, 4820-01-338-4278, 3439-01-373-2229 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for BB120: Bore Length: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN; Groove Width: 0.218 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Groove Depth: 0.3125 INCHES NOMINAL IN; Bore Diameter: 0.250 INCHES NOMINAL IN. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-528-0498 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.